WO2017198375A1 - Procédé de scellement d'un emballage - Google Patents

Procédé de scellement d'un emballage Download PDF

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Publication number
WO2017198375A1
WO2017198375A1 PCT/EP2017/056980 EP2017056980W WO2017198375A1 WO 2017198375 A1 WO2017198375 A1 WO 2017198375A1 EP 2017056980 W EP2017056980 W EP 2017056980W WO 2017198375 A1 WO2017198375 A1 WO 2017198375A1
Authority
WO
WIPO (PCT)
Prior art keywords
error
sealing
signal
cause
packaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2017/056980
Other languages
German (de)
English (en)
Inventor
Felix KRUPPA
Bernd Wilke
Christoph Hammer
Juergen Haak
Berend Oberdorfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2017198375A1 publication Critical patent/WO2017198375A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7373—Joining soiled or oxidised materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91231—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/922—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9221—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/922—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9231—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the displacement of the joining tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/959—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables
    • B29C66/9592—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables in explicit relation to another variable, e.g. X-Y diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/963—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process using stored or historical data sets, e.g. using expert systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/922—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9221—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power
    • B29C66/92211—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power with special measurement means or methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9241—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9261—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools
    • B29C66/92611—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by controlling or regulating the gap between the joining tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs

Definitions

  • the present invention relates to a method for sealing a
  • Packaging with a packaging device In particular, a disturbance variable recognition and elimination is carried out.
  • the packaging device is in particular a tubular bag machine.
  • Invention a packaging device, in particular for carrying out the method.
  • the inventive method with the features of claim 1 offers, in contrast to the prior art, not only the ability to detect a faulty sealed seam, but also determines the faulty sealed seam leading cause of error. Based on the recognized cause of the error, the corresponding control variable can be determined. By changing in turn this control variable to the corresponding components of the packaging machine, the cause of the error, which is also referred to as a disturbance, avoided or corrected.
  • the cause of the error which is also referred to as a disturbance, avoided or corrected.
  • Packaging device comprises a sealing device.
  • the sealing device in turn comprises one, two or more sealing jaws for producing a sealed seam on the packaging.
  • the packaging is in particular a film made of thermoplastic material. Preferably, this is done
  • Sealing seam is heated at least one of the sealing jaws on a heater or vibrated. If the heating of the sealed seam by vibration takes place, one of the sealing jaws can also be used as anvil and the other as
  • a (i) detection, preferably a measurement, of a first variable takes place on the sealing device. In particular, it is measured directly at the sealing jaws or at another suitable location of the sealing device, (ii) in the next step
  • the error matrix comprises a plurality of possible causes of errors for defective seal seams and respective first comparison values associated with the error causes.
  • the first signal or a corresponding transformation of the first signal is compared with the first comparison values of the error matrix. In a complete or partial agreement of the first signal or the transformation of the first signal with one of the first comparison values, the associated cause of the error can be determined or determined.
  • the single first comparison value comprises in the simplest case a specific value or value range. However, several individual values or the course of a value can be the "first
  • Packaging device can be issued so that it can take appropriate action.
  • the error case can be stored for statistical evaluation.
  • at least one first comparison value is stored in each case for the following error causes in the error matrix:
  • the error matrix can be constructed as desired. So can one
  • the method is executed in particular in a computing unit.
  • the provision of the error matrix and the comparison of the first signal or the transformation of the first signal with the first comparison values becomes
  • the "arithmetic unit” consist of several individual, combined or spatially separated subunits and / or in the control device for the packaging device or the
  • a change of the first variable on a mechanical vibration, in particular the structure-borne noise, of the sealing jaws based.
  • vibrations for example with a piezoelectric ceramic
  • the vibrations cause a deformation of the piezo ceramic and thus charge separation.
  • This charge separation is actually measured and converted into voltage values.
  • the voltage values are recorded as "first quantity.”
  • This first quantity forms the "first signal” over time.
  • first comparison values also represent a voltage variation over time or, for example, only individual significant voltage values are stored as "first comparison values.” If the first signal based on the first quantity fully or partially matches a first comparison value or deviates in a defined manner from the first comparison value, so the associated cause of the error can be determined.
  • the first signal indicates an electrical voltage over time and corresponding first comparison values with voltage values and / or voltage-time profiles are stored in the error matrix.
  • the error matrix comprises corresponding first comparison values which match the transformation of the first signal.
  • the first signal is subjected to a plurality of different transformations and the result after several transformations is compared with first comparison values of the error matrix.
  • Evaluation methods are used. It is provided in particular at the first signal or the transformation extreme values, inflection points, integrals (Areas under sections of the signal), differentiation (slope), dead times or other mathematical evaluation and to compare these values with corresponding first comparison values. It is preferably provided that in the method a detection, preferably
  • the error matrix contains at least one cause of the error, preferably several or all stored error causes, in addition to the first one
  • Comparison value a second comparison value.
  • the further variable, a further signal based on the further variable, and / or a further transformation of the further signal with the at least one second comparison value are compared.
  • the cause of the error is preferably based both on the comparison of the first signal (and / or a transformation of the first signal) with the first comparison values and the further variable (and / or a further signal based on the further variable and / or a transformation of the further signal) the second comparative values.
  • a change of the further size is based in particular on:
  • the mechanics for moving the sealing jaws also include hydraulic or pneumatic arrangements.
  • the determined cause of the error is merely output.
  • the determined cause of the error is merely output.
  • control algorithm which comprises one or more control variables for the packaging device.
  • the control algorithm can be designed, for example, as a multi-variable controller or with one-off or other controllers isolated from one another (eg state feedback). The dependence of the error cases or the disturbance on the
  • Control methods are stored in a matrix (here referred to as input-output matrix or rule matrix). After determining the cause of the error, the control variables are readjusted by a controller which eliminates the cause of the error or the disturbance variables. Will be an individual for each tax code
  • the controller If the controller is used, first of all the control variables determining the error are determined on the basis of the determined error cause and the control matrix. In the next step, the error cause is corrected by changing the specific control variable in the packaging device.
  • a sealing jaw control which controls at least the movement of a sealing jaw and / or the temperature of the sealing jaw. It is preferably provided that at least one of the control variables from the control matrix in the sealing jaw control for changing the sealing force and / or the sealing jaw temperature and / or the sealing jaw distance and / or the motor current and / or the motor voltage and / or
  • the motor is used to move the at least one sealing jaw. Furthermore, it is preferably provided that the packaging device a
  • Filling device comprises. By means of this filling the filling of the packaging takes place. For example, when packaging powder in one
  • Flow wrapper may cause the filling device does not close fast enough or clean. As a result, a portion of the powder trickle into the sealed seam and there is a faulty sealed seam.
  • the invention further comprises a packaging device, in particular a tubular bag machine.
  • the packaging device is preferably designed for carrying out the method described above.
  • the Packaging device comprises a sealing device with one, two or more sealing jaws for producing a sealed seam on a packaging.
  • a detection unit is provided.
  • the detection unit is designed to detect, in particular measure, the first variable on the sealing device.
  • a computing unit is provided.
  • the arithmetic unit is used to generate the first signal of the first magnitude over time; for providing the error matrix; for comparing the first signal or a corresponding transformation with the first comparison values
  • Error matrix so as to determine the associated cause of the error; and to output the specific cause of the error.
  • Figure 1 is a purely schematic view of an inventive
  • Packaging device for carrying out the method according to the invention according to an embodiment
  • FIG. 3 shows a first signal of the method according to the invention according to the exemplary embodiment
  • FIG. 4 shows a first signal of a good and a faulty sealed seam of the method according to the invention according to the exemplary embodiment
  • 5 shows a transformation of the first signal of a good and a faulty sealed seam of the method according to the invention according to the embodiment
  • FIG. 6 shows a comparison of the transformation with a first one
  • the packaging device 1 shows a greatly simplified illustration of a packaging device 1.
  • the packaging device 1 comprises a sealing device 2 and a filling device 3.
  • the sealing device 2 comprises a sealing device 2 and a filling device 3.
  • the filling device 3 comprises a filling device 3.
  • Packaging device 1 is designed as a vertical tubular bag machine.
  • a tube 4 is used in the packaging apparatus 1.
  • the tube 4 consists for example of a thermoplastic material or a film.
  • the film is formed into a tube.
  • the tube 4 is filled via the filling device 3 and closed by an upper and lower sealing seam 6. This creates the package 5.
  • sealing seams 6 are simultaneously produced for two packages 5 and there is a separation of the lower package 5 from the tube 4.
  • the film is also referred to as packaging material or packaging.
  • the packaged product is called packaged good.
  • the packaging material envelops the good and it creates the pack 5. Under pack 5 or packaging is the union of
  • Packaging and packaged goods referred.
  • FIG. 2 shows in a greatly simplified representation the components of FIG
  • Each sealing jaw 7 is attached to its own sealing jaw holder 8.
  • the sealing jaw holders 8 serve for moving at least one sealing jaw 7, so that the tube 4 can be clamped between the two sealing jaws 7.
  • FIG. 2 shows a detection unit 11 and an arithmetic unit 12.
  • the arithmetic unit 12 stores the already described error matrix and preferably also the rule matrix. Furthermore, in the arithmetic unit 12 already follows described comparison with the comparison values and thus the determination of the cause of the error. In a preferred embodiment, the arithmetic unit 12 also compares the cause of the error with the control matrix to determine one or more control variables 14.
  • the “first size” is determined on the sealing device 2.
  • one or more piezo-ceramics which can detect the structure-borne noise at the sealing device 2 are located on the sealing device 2.
  • the charge separation which is measured as voltage values, is actually measured (first size) This first size above the
  • Time forms the first signal 16 according to FIG. 3.
  • FIG. 4 shows the first signal 16 of a good sealed seam 6 as a solid curve and the first signal 16 of a faulty sealed seam 6 as a dashed curve.
  • Evaluation methods can be used, for example, to determine areas (integrals) below the signal 16, extreme values or inflection points. Accordingly, the first comparison values in the error matrix also represent surfaces, extreme values or inflection points.
  • the transformation can be described as Fourier transformation, as
  • the mean value of the transformation and the mean value of the frequency is formed; this corresponds to the centroid of the
  • the transformation based on the first signal 16 of the good seal 6 is shown with crosses.
  • the transformation based on the first signal 16 of the defective seal 6 is shown with dots.
  • the values represented by crosses in FIG. 6 can, for example, form the first comparison values in the error matrix.
  • a very simple comparison of the values represented by crosses in FIG. 6 (good seal seam) with the values represented as points (bad seal seam) thus makes possible based on the
  • the error matrix not only has first comparison values associated with the first signal, but also opens up the possibility of further variables, further signals or further transformations
  • Figure 2 shows an example of a load cell 9 and distance sensors 10 of
  • Distance sensors 10 can be detected, in particular measured, corresponding other variables.
  • the further variables, derived signals or corresponding transformations flow into the error matrix and serve to determine the cause of the fault more accurately.
  • a rule matrix is also stored in the arithmetic unit 12.
  • the causes of the errors are assigned to the control variables.
  • the error matrix is determined by means of the error matrix
  • FIG. 2 shows a sealing jaw control 13 which controls the sealing device 2 via at least one control variable 14 and a
  • Filling device control 15 which controls the filling device 3 via at least one control variable 14.
  • the at least one control variable 14 determined on the basis of the control matrix is / are in the sealing jaw control 13 or in the
  • Filling device control 15 used to compensate for the associated cause of error or disturbance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Package Closures (AREA)

Abstract

L'invention concerne un procédé de scellement d'un emballage au moyen d'un dispositif d'emballage (1), en particulier d'une ensacheuse verticale, le dispositif d'emballage (1) comprenant un dispositif de scellement (2) muni d'au moins une mâchoire de scellement (7) servant à produire un joint scellé (6) sur l'emballage, et le procédé comprenant les étapes suivantes : la détection, de préférence la mesure, d'une première grandeur au niveau du dispositif de scellement (2), de préférence au niveau de la mâchoire de scellement (7) ; la génération d'un premier signal (16) à partir de la première grandeur dans le temps ; la production d'une matrice d'erreurs comprenant plusieurs causes d'erreur relatives à des joints scellés (6) défectueux ainsi que de premières valeurs de comparaison respectivement associées ; la comparaison entre le premier signal (16) ou une transformée du premier signal et les premières valeurs de comparaison de la matrice d'erreurs pour déterminer une cause d'erreur associée ; et l'émission de la cause d'erreur déterminée et/ou l'enregistrement de la cause d'erreur pour évaluation statistique.
PCT/EP2017/056980 2016-05-18 2017-03-23 Procédé de scellement d'un emballage Ceased WO2017198375A1 (fr)

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DE102016208480 2016-05-18
DE102016208480.1 2016-05-18
DE102016213434.5 2016-07-22
DE102016213434.5A DE102016213434A1 (de) 2016-05-18 2016-07-22 Verfahren zum Versiegeln einer Verpackung

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DE102020134190B4 (de) 2020-12-18 2025-12-04 Rovema Gmbh Verfahren zum Betrieb einer Schlauchbeutelmaschine
DE102023113936A1 (de) * 2023-05-26 2024-11-28 Körber Pharma Packaging GmbH Verfahren und system zur überwachung eines fügeprozesses

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0950608A1 (fr) * 1998-04-15 1999-10-20 Tetra Laval Holdings & Finance SA Procédé pour le contrÔle des soudures transversales d'un dispositif d'emballage continu formant des emballages contenant des produits alimentaires liquides
WO2004099751A2 (fr) 2003-05-07 2004-11-18 K.U. Leuven Research And Development Dispositif d'inspection de procede d'etancheification
US20110054660A1 (en) * 2007-04-12 2011-03-03 Wolfgang Kiesler Apparatus and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0950608A1 (fr) * 1998-04-15 1999-10-20 Tetra Laval Holdings & Finance SA Procédé pour le contrÔle des soudures transversales d'un dispositif d'emballage continu formant des emballages contenant des produits alimentaires liquides
WO2004099751A2 (fr) 2003-05-07 2004-11-18 K.U. Leuven Research And Development Dispositif d'inspection de procede d'etancheification
US20110054660A1 (en) * 2007-04-12 2011-03-03 Wolfgang Kiesler Apparatus and method

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